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A stargazer has an astronomical telescope by an objective whose focal length is 180cm and an eyepiece whose focal length is1.20cm. He wants to increase the angular magnification of a galaxy under view with replacing the telescope's eyepiece. Once the eye piece is replaced, the barrel of the telescope should be adjusted to bring the galaxy back into focus. If the barrel can only be shortened by0.50cm from its current length, what is the best angular magnification the stargazer will be able to achieve?
Consider two identical particles of spin 1/2 that are confined in a cubical box of side L. Find the energy and the wave function of this system in the case of no interaction between the particles.
assume four objects each of mass m are placed at the corners of a square os side length, How much work is needed to separate the planets
Three identical blocks are stacked with each extending as far aspossible over the block beneath it. Find the distance Dthat the top block overhangs the bottom block if the length of eachblock is 34.6 cm.
what would the g-force, kinetic energy and overall force a human head would absorb if they were broadside t-boned by an 80,000 pound tanker that was moving 45 miles per hour and that head absorbing party
Calculate the net impulse delivered to a 138-kg quarterback initally running at 4.5 m/s if he's hit by a defending player and slowed to a speed of 1.1 m/s
Three forces act on a body which moves with constant velocity. One force is 9 N acting at an angle of 70°, What is the angle of the third force
From the top of a cliff 80 meters high, a ball of mass 0.4 kilogram is launched horizontally with a velocity of 30 meters per second at time t=0. The potential energy of the ball is zero at the bottom of the cliff. Use g=0 meters per second square..
For a damped oscillator with a mass of 320g, a spring constant 82N/m and a damping coefficient of 71g/s, what is the ratio of the amplitude of damped oscillations to the initial amplitude at the end of 28 cycles.
a small glass bead charged to 7.4nc is 4.0cm from a thin uniformly charged 10--cm long glass rod. the bead is repelled
A solenoid that is 102 cm long has a cross-sectional area of 16.3 cm2. There are 980 turns of wire carrying a current of 9.08 A. Find the total energy in joules stored in the magnetic field there
your observing system centered on the equator in the eastern tropic pacific detects what you believe to be the passage
q1. a mountain climber in the process of crossing between two cliffs by a rope pauses to rest. she weighs 550 n. as
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